package org.jeecg.modules.cosmetic.utils;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PackageUtil {

    /**
     * 判断字符串是否有中文
     * @param str
     * @return
     */
    public static boolean hasChinese(String str) {
        String regEx = "[\u4e00-\u9fa5]";
        Pattern pattern = Pattern.compile(regEx);
        Matcher matcher = pattern.matcher(str);
        return matcher.find();
    }


    /**
     * 英文相似度算法
     * @param s1
     * @param s2
     * @return
     */
    public static int SimilarityWord(String s1, String s2) {
        int m = s1.length();
        int n = s2.length();
        int[][] dp = new int[m + 1][n + 1];
        for (int i = 0; i <= m; i++) {
            dp[i][0] = i;
        }
        for (int j = 0; j <= n; j++) {
            dp[0][j] = j;
        }
        for (int i = 1; i <= m; i++) {
            for (int j = 1; j <= n; j++) {
                if (s1.charAt(i - 1) == s2.charAt(j - 1)) {
                    dp[i][j] = dp[i - 1][j - 1];
                } else {
                    dp[i][j] = Math.min(dp[i - 1][j], Math.min(dp[i][j - 1], dp[i - 1][j - 1])) + 1;
                }
            }
        }
        return dp[m][n];
    }
}
